diff --git a/app/index/controller/TopicNas.php b/app/index/controller/TopicNas.php
index a4bedd0b..44b09cc3 100644
--- a/app/index/controller/TopicNas.php
+++ b/app/index/controller/TopicNas.php
@@ -347,6 +347,7 @@ class TopicNas extends Common
         $parent_two = ArticleCategoryModel::ParentChild(array_column($categorys, 'id'))->language($this->lang_id)->column('pid','id');//二级分类id
         $articles_data = $articles->toArray();
         foreach ($articles_data as &$v) {
+            $v['pid'] = 0;
             if ( isset($parent_two[$v['category_id']]) ) {
                 $v['pid'] = $v['category_id'];
                 $v['category_id'] = $parent_two[$v['category_id']];